---
id: CVE-2025-34506
title: >-
  WBCE CMS version 1.6.3 and prior contains an authenticated remote code
  execution vulnerability that allows administrators to upload malicious modules
summary: >-
  WBCE CMS version 1.6.3 and prior contains an authenticated remote code
  execution vulnerability that allows administrators to upload malicious
  modules. Attackers can craft a specially designed ZIP module with embedded PHP
  reverse shell co…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-434
vendor: wbce
product: wbce_cms
affected:
  - wbce_cms <= 1.6.3
published: '2025-12-11'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-34506'
references:
  - url: 'https://github.com/Swammers8/WBCE-v1.6.3-Authenticated-RCE'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/WBCE/WBCE_CMS'
    label: disclosure@vulncheck.com
  - url: 'https://wbce-cms.org/'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/52132'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/wbce-cms-authenticated-remote-code-execution-via-module-upload
    label: disclosure@vulncheck.com
  - url: 'https://youtu.be/Dhg5gRe9Dzs?si=-WQoiWU1yqvYNz1e'
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00909
epssPercentile: 0.5864
ingestedAt: '2026-10-07T20:46:46.867Z'
---

## Overview

WBCE CMS version 1.6.3 and prior contains an authenticated remote code execution vulnerability that allows administrators to upload malicious modules. Attackers can craft a specially designed ZIP module with embedded PHP reverse shell code to gain remote system access when the module is installed.

## Affected

- `wbce_cms <= 1.6.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.